#66A2EE#66A2EE

#66A2EE is a light, vivid cyan. Relative luminance 0.348; OKLCH L 70.4% C 0.129 H 255.0°. Best body text is #000000 at 7.97:1 contrast (WCAG AA passes).

Color values

HEX#66A2EE
RGBrgb(102, 162, 238)
HSLhsl(214, 80%, 67%)
HSVhsv(214, 57%, 93%)
CMYKcmyk(57.1%, 31.9%, 0%, 6.7%)
CIE-LABlab(65.62, 2.52, -44.02)
CIE-LCHlch(65.62, 44.09, 273.28°)
OKLaboklab(70.38% -0.0332 -0.1242)
OKLCHoklch(70.38% 0.129 255)
XYZxyz(33.8270, 34.8356, 85.8137)
Luminance0.3484 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66A2EE #EEB266
analogous
#66E6EE #66A2EE #6E66EE
triadic
#66A2EE #EE66A2 #A2EE66
tetradic
#66A2EE #EE66E6 #EEB266 #66EE6E
square
#66A2EE #EE66E6 #EEB266 #66EE6E
split-complementary
#66A2EE #EE6E66 #E6EE66
monochromatic
#1663C4 #2F81E8 #66A2EE #9DC3F4 #D4E5FA

Accessibility & contrast

On white

2.64
#66A2EE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.97
#66A2EE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A2EE
7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66A2EE#FFFFFF#000000##000000
##66A2EE1.002.647.977.97
#FFFFFF2.641.0021.0021.00
#0000007.9721.001.001.00
##0000007.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#83A7F1
Deuteranopia (green-blind)
#7199EC
Tritanopia (blue-blind)
#00B3BD
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #66a2ee;
/* rgb */ color: rgb(102, 162, 238);
/* oklch */ color: oklch(70.4% 0.129 255.0);
Tailwind
colors: {
  custom: {
    50: '#9bbdf4',
    500: '#66a2ee',
    950: '#000000',
  },
}
SCSS
$custom: #66a2ee;
$custom-light: #9bbdf4;
$custom-dark: #000000;
JSON
{
  "hex": "#66a2ee",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 238
  },
  "hsl": {
    "h": 213.529,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.70382,
    "c": 0.12857,
    "h": 255
  },
  "luminance": 0.34838
}

Semantic roles & 50–950 ramp

primary
#66A2EE
secondary
#EEDAC2
accent
#7F09DC
background
#FAFBFE
surface
#F3F6FD
border
#CDD0D5
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #66A2EE

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#66A2EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva